Merge pull request #30 from prcutler/root-group-fourwire-fix

Update for CircuitPython 9 compatibility

Author: dhalbert

README.rst

@@ -69,14 +69,15 @@ Usage Example
     import time
     import board
     import displayio
+    import fourwire
     import adafruit_il0373
 
     displayio.release_displays()
 
     epd_cs = board.D9
     epd_dc = board.D10
 
-    display_bus = displayio.FourWire(board.SPI(), command=epd_dc, chip_select=epd_cs, baudrate=1000000)
+    display_bus = fourwire.FourWire(board.SPI(), command=epd_dc, chip_select=epd_cs, baudrate=1000000)
     time.sleep(1)
 
     display = adafruit_il0373.IL0373(display_bus, width=212, height=104, rotation=90,
@@ -95,7 +96,7 @@ Usage Example
     # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()
 

examples/il0373_1.54_color.py

@@ -11,6 +11,7 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_il0373
 
 displayio.release_displays()
@@ -22,7 +23,7 @@
 epd_reset = board.D5
 epd_busy = board.D6
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)
@@ -48,7 +49,7 @@
     # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()
 

examples/il0373_2.13_color.py

@@ -11,6 +11,7 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_il0373
 
 # Used to ensure the display is free in CircuitPython
@@ -25,7 +26,7 @@
 epd_busy = board.D6
 
 # Create the displayio connection to the display pins
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)  # Wait a bit
@@ -56,7 +57,7 @@
     g.append(t)
 
     # Place the display group on the screen
-    display.show(g)
+    display.root_group = g
 
     # Refresh the display to have it actually show the image
     # NOTE: Do not refresh eInk displays sooner than 180 seconds

examples/il0373_2.9_color.py

@@ -10,6 +10,7 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_il0373
 
 # Used to ensure the display is free in CircuitPython
@@ -24,7 +25,7 @@
 epd_busy = board.D6
 
 # Create the displayio connection to the display pins
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)  # Wait a bit
@@ -55,7 +56,7 @@
     g.append(t)
 
     # Place the display group on the screen
-    display.show(g)
+    display.root_group = g
 
     # Refresh the display to have it actually show the image
     # NOTE: Do not refresh eInk displays sooner than 180 seconds

examples/il0373_2.9_grayscale.py

@@ -12,6 +12,7 @@
 import busio
 import board
 import displayio
+import fourwire
 import adafruit_il0373
 
 displayio.release_displays()
@@ -21,7 +22,7 @@
 epd_cs = board.D9
 epd_dc = board.D10
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=epd_dc, chip_select=epd_cs, baudrate=1000000
 )
 time.sleep(1)
@@ -49,7 +50,7 @@
     # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()
 

examples/il0373_flexible_2.13_monochrome.py

@@ -11,6 +11,7 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_il0373
 
 displayio.release_displays()
@@ -22,7 +23,7 @@
 epd_reset = board.D5
 epd_busy = board.D6
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)
@@ -43,7 +44,7 @@
     # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()
 

examples/il0373_flexible_2.9_monochrome.py

@@ -11,6 +11,7 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_il0373
 
 displayio.release_displays()
@@ -22,7 +23,7 @@
 epd_reset = board.D5
 epd_busy = board.D6
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)
@@ -43,7 +44,7 @@
     # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()
 

examples/il0373_simpletest.py

@@ -11,14 +11,15 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_il0373
 
 displayio.release_displays()
 
 epd_cs = board.D9
 epd_dc = board.D10
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     board.SPI(), command=epd_dc, chip_select=epd_cs, baudrate=1000000
 )
 time.sleep(1)
@@ -39,7 +40,7 @@
     # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()